Raccoon River Park Weather Forecast

    • 64
    • 85

    Increasing Clouds

    • 53
    • 78

    Mostly Sunny

    • 50
    • 76

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

    • 49
    • 73

    Mostly Sunny

    • 55
    • 78

    Partly Sunny

Today 22 Aug Polk

Mostly sunny. Humid with Highs in the mid 80s. South Winds around 5 Mph.

Tonight 22 Aug Polk

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Humid with Lows in the mid 60s. Southeast Winds around 5 Mph, becoming northwest after midnight. Chance of rain 50 percent.

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Raccoon River Park Temperature Statistics

August Temperature

Des Moines International Airport (3.7 miles)

  • Lowest 1 August, 2025

    60.7 °F

  • Average August

    76.4 °F

  • Highest 16 August, 2025

    94.6 °F

Climate (2020–Present)

Des Moines International Airport (3.7 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    62.8 °F
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